550525155 has 8 divisors (see below), whose sum is σ = 880840272. Its totient is φ = 293613408.

The previous prime is 550525141. The next prime is 550525159. The reversal of 550525155 is 551525055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 550525155 - 2⁸ = 550524899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550525159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18350824 + ... + 18350853.

It is an arithmetic number, because the mean of its divisors is an integer number (110105034).

Almost surely, 2^550525155 is an apocalyptic number.

550525155 is a deficient number, since it is larger than the sum of its proper divisors (330315117).

550525155 is a wasteful number, since it uses less digits than its factorization.

550525155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36701685.

The product of its (nonzero) digits is 31250, while the sum is 33.

The square root of 550525155 is about 23463.2724699689. The cubic root of 550525155 is about 819.5819577459.

The spelling of 550525155 in words is "five hundred fifty million, five hundred twenty-five thousand, one hundred fifty-five".